Mathematics 7 Operations with fractions

Specific Curriculum Outcome

N05     Students will be expected to demonstrate an understanding of adding and subtracting positive fractions and mixed numbers, with like and unlike denominators, concretely, pictorially and symbolically (limited to positive sums and differences). 

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N05 activities

• Fraction Magic Squares from Don Steward - In a magic square, each row, column and diagonal sum to the same value. These magic squares use fractions. Click the link for additional practice and solutions.

• Fraction Fill-In game from Kent Haines - Students take turns colouring in parts of a fraction wall given the results of the roll of dice. The first student to colour in their whole board wins. 

• Fraction Flags from Sam Shinde -  Ask students to create their own flags by decomposing a rectangle into at least 8 sections using straight lines. Colour these sections using four different colours. Calculate what fraction of the whole flag is represented by each colour.

• Placing Fractions on a Number Line from Open Middle - A way to create a need for students to get a common denominator.  Joe Schwartz discusses this problem in a blog post titled Standing on the Corner of Open Middle and Intellectual Need. 

• Yohaku Puzzle from yohaku.ca - Your task is to fill in the empty cells such that they give the sum shown in each row and column. In this puzzle each empty cell must be filled with a unit fraction.